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[单选题]
( )属于系统测试执行过程中的工作效率指标。
A
进度偏离度
B
需求覆盖率
C
评审问题数
D
有效缺陷率
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试题答案:
A
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一般来说,网络管理就是通过某种方式对网络状态进行调整,使网络能正常、高效地运行。下列选项中不属于网络管理范围的是( )。
Many people view the term "electronic commerce" (or e-commerce) as shopping on the part of the Internet called the ( 1 ).However, electronic commerce also covers many other activities, such as businesses trading with other business and internal processes that companies use to support the buying, selling, hiring, planning and other activities. Some people use the term electronic business (or e-business) when they are talking about electronic commerce in this broader sense. For example, IBM defines electronic business as *the transformation of key business process through the use of Internet technologies." Most people use the terms “electronic commerce” and“( 2 )” interchangeably. Herein, the term electronic commerce is used in its broadest sense and includes all business activities using( 3 ).Some people categorize electronic commerce by types of entities participating in the transactions or business processes. The five general electronic commerce categories are business -to-consumer, business-to-business, business processes, consumer-to-consumer, and business-to-government, among which the following three are most commonly used:(1)Consumer shopping on the Web, often called business-to-consumer (or B2C)(2)Transactions conducted between businesses on the Web, often called business-to-business (or B2B)(3)Transactions and ( 4 ) in which companies, governments, and other organizations use Internet technologies to support selling and purchasing activities.To understand these categories better, consider a company that manufactures stereo speakers. The company might sell its finished product to consumers on the Web, which would be B2C electronic commerce. It might also purchase the materials it uses to make the speakers from other companies on the Web, which would be B2B electronic commerce. Businesses often have entire departments devoted to negotiating purchase transactions with their suppliers. These departments are usually named supply management or procurement. Thus, B2B electronic commerce is sometimes called ( 5 ).
【20191175】work performance information is circulated through ( ) processes.
满堂脚手架搭设高度不宜超过() m。
在异步通信中,每个字符包含 1位起始位、 7位数据位和 2 位终止位,若每秒钟传送500 个字符,则有效数据速率为( )。
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()为卖方报销履行合同工作所发生的一切合法成本(即成本实报实销),买方再给卖方一笔利润,完全由买方根据自己对卖方绩效的主观判断来决定,并且卖方通常无权申诉。
某施工现场临时用电安全检查,发现 TN—S 供电系统中一台配 电箱的金属电器安装板未做保护接零。根据《施工现场临时用电安全 技术规范》(JGJ46),正确的做法是将金属电器安装板()。
专项施工方案经论证结论为() 的,施工单位修改后应当按照 本规定的要求重新组织专家论证。
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安全带使用时要()。
3.
【质量管理案例2】 公司承接了一个线上直播平台的开发项目,小林作为该项目的质量经理,根据项目启动时发布的需求文件编制了测试用例,随后直接下发给组员开展测试,在测试过程中,组员发现直播的打赏功能中有几个小功能是测试用例里没有的,于是提交了BUG给研发人员,说明不符合产品功能定义,但研发人员以新增需求为理由将BUG置为无效。 小林了解情况后,认为需求变更应该由项目经理负责确认,于是将bug转给项目经理后便不再过问继续指导大家按原计划进行测试。项目后期,小林在整理测试报告时,发现该BUG还在项目经理名下没有任何进展,于是提高BUG的优先级并留言请项目经理尽快处理确认。项目经理很快找到小林,说该功能在项目启动不久就进行了需求变更且群发部件给项目组核心成员,小林这才在邮箱里翻到了很早的邮件通知。测试工作正处于压力最大的阶段,小林来不及补充测试用例,紧急从其他项目组借调了2名测试人员让他们对新增功能进行盲测。 交付时间在即,项目的bug数仍然没有收敛,尤其是打赏功能,仍存在很多问题在发布评审会上,小林表示目前该bug太多达不到发布质量标准,不同意上线。研发经认为是质量测试遗漏导致的问题,而且部分测试人员对项目整体不了解,经常提出一些无效bug.给研发增加了工作量,双方争执不下。
4.
DES 算法的64位密钥中有若干位是奇偶校验位,所以实际有效密钥长度是( )位。
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